UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Dhb2eVZD6wR8Syptk1I5T+HLhW04FjHFq5RbMvlDiCk=' 
WHERE 
  key_id = '29d1c0637b78d5d5a5d5e10366a0dd971bb53a7916b1de33d1ac346746a0e8ce' 
  AND (
    token = 'Dhb2eVZD6wR8Syptk1I5T+HLhW04FjHFq5RbMvlDiCk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )