UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'W8Q+gqi4V8joAohmQDDO48j4OvKeavh2P4ZD6NTslcs=' 
WHERE 
  key_id = 'a050385e370cd346cf4c6601a70e23741a49eac65237a5c21f8dc9552e42179d' 
  AND (
    token = 'W8Q+gqi4V8joAohmQDDO48j4OvKeavh2P4ZD6NTslcs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )