UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KUGcNy4HoCPgDF8SVCsCnKUO4fEl34Mbnw6GeAm3j5k=' 
WHERE 
  key_id = '68c4b22ad574e693c7707f523e9d50bf20aa00e760df2457762779182b854b02' 
  AND (
    token = 'KUGcNy4HoCPgDF8SVCsCnKUO4fEl34Mbnw6GeAm3j5k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )