UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tR2fzDuAtVhB2R0PlUI90xzobmAlCCX2huGjJfo3oJ4=' 
WHERE 
  key_id = '76a37ac7208576fb707ccbbb1ba36b9ade1f4187b570204c0ebb8a71e7fa34e6' 
  AND (
    token = 'tR2fzDuAtVhB2R0PlUI90xzobmAlCCX2huGjJfo3oJ4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )