UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UM+qWRlXL5ERWu596cwHpVCyCIqBUubBDay464I+LBs=' 
WHERE 
  key_id = 'c91ffe7587591cc21721c61576f1daac2f0ae12d3adec68043135c4c75621e2f' 
  AND (
    token = 'UM+qWRlXL5ERWu596cwHpVCyCIqBUubBDay464I+LBs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )