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SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '1bb96a8dc2e59ff4206f6d3ae9bde541fbd27ed9ae5965529720b11cc9a0e153' 
  AND token = 'tTOgqfGUSroP6wX1/u2rl8drWlPEG0IHGpamLEqT9GY=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00033

JSON explain

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