UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MPel8+tU4fXebvze52c81APQk4c+q3NAb2l57ttWdjw=' 
WHERE 
  key_id = '33ffe26abd8be2943b218a69a999b15c7871b60489b7c28e43ab668a0259e63e' 
  AND (
    token = 'MPel8+tU4fXebvze52c81APQk4c+q3NAb2l57ttWdjw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )