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SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = 'bd27065e0fbdbc8f8339237c10ae5d0c88085996dcd7c241dc119b2130bd4d11' 
  AND token = 'SP32aRmzBFomdzubEAo/FazCYBBIiRME8Sx/gnLgmo4=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00025

JSON explain

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