UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'eEvoVsfIEbdw7tKxEJLsA3dWtEmb24pTANpXcbUGZxQ=' 
WHERE 
  key_id = 'b5c9556e35727873c0714a1b41716fbacb4ce2cbfff894e421c3ecde9a5388a0' 
  AND (
    token = 'eEvoVsfIEbdw7tKxEJLsA3dWtEmb24pTANpXcbUGZxQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )