UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '494MkPNrWc9r+2i5S0HqBtp2nES0U9HdAzqizZYkO5Q=' 
WHERE 
  key_id = '199d91a5e043588dc9be422fb395162fb8492921be45af9b4b88932d5828608e' 
  AND (
    token = '494MkPNrWc9r+2i5S0HqBtp2nES0U9HdAzqizZYkO5Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )