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SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '8bd220e6d3b0e074593a7557a4ca6fcc71ad7b19d8bf32c43e88b7624adc8d9f' 
  AND token = 'MrcNXzPF4Ih8jbPRlz7sqRPiCg1pBCfoM+TT8k+68Lo=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.03709

JSON explain

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