Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '0d347044d23f624429b5bd6ff6c493cb38a698aa3fd1c05deedd51eb54940bdc' 
  AND token = 'trpSJdqHbjC9FwOoKnJNR6biLwVLTfbT3EiU+cWTRi4=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00081

JSON explain

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