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SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '62b71e4f2c866adccd2398c0e1a86b4fa756ef806ca9e17c43bc9993f9c0ad96' 
  AND token = 'NTVaD88NILwL7TFh2lKLVaJYwZfzwLDnTC1UrGX1l7A=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00025

JSON explain

{
  "query_block": {
    "select_id": 1,
    "message": "no matching row in const table"
  }
}