UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'L+qx9UAZmf87TUnKpMgWeXPqlMUxBZUGUx4mCKnaJVM=' 
WHERE 
  key_id = '4e160c395cc07e6d74d87ffc4025a75a665430e450d7dc810c95eacb160530f0' 
  AND (
    token = 'L+qx9UAZmf87TUnKpMgWeXPqlMUxBZUGUx4mCKnaJVM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )