Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '7eed58d7227151f6e7c4497c96273d8b57cd4ce812e60bfcf0c1c97f1a665fad' 
  AND token = 'bJTuSH4gJVNaFK/TED7oQ05df3alySo/ACMUWsO4/ZY=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00041

JSON explain

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