UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'D99vnZflFVxxX1rDUQbYZ74R6EfHCrhfVj+TOKjQKWg=' 
WHERE 
  key_id = '4b5964d8c5e56c7d0fd110d6020f20c92a35c748da20b356d02c77f3343b3ee8' 
  AND (
    token = 'D99vnZflFVxxX1rDUQbYZ74R6EfHCrhfVj+TOKjQKWg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )