UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RBoUdDQF7wMMKyJt1Mc8W47HohYbiN3tnAv7KdmXyfA=' 
WHERE 
  key_id = 'a2ac20efe00d9d1459897d392991868feaf33abaaca990652c484a849c64fed3' 
  AND (
    token = 'RBoUdDQF7wMMKyJt1Mc8W47HohYbiN3tnAv7KdmXyfA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )