UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '1X2U0IDSx3p9po7dAiQOB2+1T6UgAJy1avEFf6ZRnI4=' 
WHERE 
  key_id = '510e2fcf25213b0bc0cc86522268d906e3ea6157d0a03dfdc5eea3779bb37159' 
  AND (
    token = '1X2U0IDSx3p9po7dAiQOB2+1T6UgAJy1avEFf6ZRnI4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )