INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '8f46d3be87451d4b3475e783d547d7af53a944ac023b1589c47f1e44e82ad69f', 
    '5+0oIdxMT1YF4zgx6Tc4nm7eW3Jq0LPA1JgIXXOTM2I=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)