UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'eMe0x868OqPTidAiqN+TDT1xy2Z106R+Lu1xMdGFeNU=' 
WHERE 
  key_id = 'd08fde7f1b0e9a988e7f1ba000539f801a8a1869de199fcf823d266634b28721' 
  AND (
    token = 'eMe0x868OqPTidAiqN+TDT1xy2Z106R+Lu1xMdGFeNU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )