UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ohrQ5/Qm75DXpAUdJ2hfonCyL46pTiaGBq7Oe1ASAQU=' 
WHERE 
  key_id = '51f90bfa5a4f6d3c1b45ba3666049f4cb8f88083620f64fb3138843b7ce1cc1d' 
  AND (
    token = 'ohrQ5/Qm75DXpAUdJ2hfonCyL46pTiaGBq7Oe1ASAQU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )